Double internal gear pump JG00-25 Series 

Frequently Asked Questions (FAQ) :

1, What's the standard hydraulic oil and its working temperature ? 

Under 70 bar pressure, use hydraulic oil viscosity 30-50CST(ISO VG-46) in temperature 40℃. Working temperature 15-16℃ .

2, How to adjust the pressure through the pressure adjustment screw ?

clockwise rotation, increase pressure; counter-clockwise rotation, decrease pressure.

3,How to adjust the displacement through the displacement adjustment screw ?

clockwise rotation, decrease the displacement  ; counter-clockwise rotation, increase displacement.

4, What's the possible reason if there is no oil output from delivery port ?

 1),the shaft rotating direction is wrong.

 2), sauction oil pipe was jamed.

 3), vane was locked in the rotor,can't slip out from rotor.

5), what's your contact information:

Guangdong Juntai Hydraulic Technology Co.,Ltd.

Add.:No.2,Jiannan 2nd Road,Xiaoxiang Industrial Zone,Wanjiang District,Dongguan city,Guangdong Province,China 523048

Tel.:+86-769-22773551(ext.8036)  

Fax: +86-769-22773561

Mobile :+86-13662813492

Wechat#:13662813492